<template>
  <div class="count">
    <h2>当前求和为:{{ countStore.sum }}</h2>
    <h3>欢迎来到:{{ countStore.school }},坐落于:{{ countStore.address }}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="add">加</button>
    <button @click="minus">减</button>
  </div>
</template>

<script setup lang="ts" name="Count">
  import { ref } from "vue";
  import { useCountStore } from "@/store/count";

  //使用useCountStore,得到一个专门保存count相关的store
  const countStore = useCountStore();

  //数据
  let n = ref(1); //用户选择的数字

  //方法
  function add() {
    //第一种修改方式
    // countStore.sum += 1;
    //第二种修改方式
    // countStore.$patch({
    //   sum: 666,
    //   school: "红宫红场",
    //   address: "广东省",
    // });
    //第三种修改方式
    countStore.increment(n.value);
  }
  function minus() {}
</script>

<style scoped>
  .count {
    background-color: skyblue;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 0 10px;
  }
  select,
  button {
    margin: 0 5px;
    height: 25px;
  }
</style>
